| 1 | Short chain fatty acids and gut microbiota differ between patients with Parkinson's disease and age-matched controls | Parkinsonism and Related Disorders | 2016 | 924 |
| 2 | Construction of freezing of gait questionnaire for patients with Parkinsonism | Parkinsonism and Related Disorders | 2000 | 629 |
| 3 | A timeline for Parkinson's disease | Parkinsonism and Related Disorders | 2010 | 417 |
| 4 | Non-recognition of depression and other non-motor symptoms in Parkinson's disease | Parkinsonism and Related Disorders | 2002 | 415 |
| 5 | Prevalence of oropharyngeal dysphagia in Parkinson’s disease: A meta-analysis | Parkinsonism and Related Disorders | 2012 | 407 |
| 6 | Caregiver-burden in parkinson's disease is closely associated with psychiatric symptoms, falls, and disability | Parkinsonism and Related Disorders | 2006 | 370 |
| 7 | Environmental risk factors and Parkinson's disease: An umbrella review of meta-analyses | Parkinsonism and Related Disorders | 2016 | 307 |
| 8 | A pathophysiological model of freezing of gait in Parkinson's disease | Parkinsonism and Related Disorders | 2009 | 280 |
| 9 | Determinants of health-related quality of life in Parkinson’s disease: A systematic review | Parkinsonism and Related Disorders | 2011 | 277 |
| 10 | Prevalence of orthostatic hypotension in Parkinson’s disease: A systematic review and meta-analysis | Parkinsonism and Related Disorders | 2011 | 276 |
| 11 | Prevalence of smell loss in Parkinson's disease – A multicenter study | Parkinsonism and Related Disorders | 2009 | 275 |
| 12 | Parkinson’s disease: The non-motor issues | Parkinsonism and Related Disorders | 2011 | 270 |
| 13 | Parkinson's disease severity levels and MDS-Unified Parkinson's Disease Rating Scale | Parkinsonism and Related Disorders | 2015 | 268 |
| 14 | What is and what is not ‘Fahr's disease’ | Parkinsonism and Related Disorders | 2005 | 256 |
| 15 | The Parkinson fatigue scale | Parkinsonism and Related Disorders | 2005 | 255 |
| 16 | Minimal clinically important difference on the Motor Examination part of MDS-UPDRS | Parkinsonism and Related Disorders | 2015 | 253 |
| 17 | Alterations of T-lymphocyte populations in Parkinson disease | Parkinsonism and Related Disorders | 2005 | 250 |
| 18 | Behavioural changes after bilateral subthalamic stimulation in advanced Parkinson disease: A systematic review | Parkinsonism and Related Disorders | 2006 | 246 |
| 19 | Fullerene-based antioxidants and neurodegenerative disorders | Parkinsonism and Related Disorders | 2001 | 240 |
| 20 | Fecal markers of intestinal inflammation and intestinal permeability are elevated in Parkinson's disease | Parkinsonism and Related Disorders | 2018 | 239 |
| 21 | The influence of age and gender on motor and non-motor features of early Parkinson's disease: Initial findings from the Oxford Parkinson Disease Center (OPDC) discovery cohort | Parkinsonism and Related Disorders | 2014 | 228 |
| 22 | Detecting and monitoring the symptoms of Parkinson's disease using smartphones: A pilot study | Parkinsonism and Related Disorders | 2015 | 221 |
| 23 | The 6-hydroxydopamine model: News from the past | Parkinsonism and Related Disorders | 2008 | 218 |
| 24 | Trunk accelerometry reveals postural instability in untreated Parkinson’s disease | Parkinsonism and Related Disorders | 2011 | 216 |
| 25 | Resting-state brain connectivity in patients with Parkinson's disease and freezing of gait | Parkinsonism and Related Disorders | 2012 | 206 |
| 26 | 123I-MIBG myocardial scintigraphy for differentiating Parkinson’s disease from other neurodegenerative parkinsonism: A systematic review and meta-analysis | Parkinsonism and Related Disorders | 2012 | 204 |
| 27 | Small intestinal bacterial overgrowth in Parkinson's disease | Parkinsonism and Related Disorders | 2014 | 203 |
| 28 | Gut microbiota in patients with Parkinson's disease in southern China | Parkinsonism and Related Disorders | 2018 | 199 |
| 29 | Gastrointestinal dysfunction in Parkinson’s disease | Parkinsonism and Related Disorders | 2011 | 188 |
| 30 | Metformin-inclusive sulfonylurea therapy reduces the risk of Parkinson's disease occurring with Type 2 diabetes in a Taiwanese population cohort | Parkinsonism and Related Disorders | 2012 | 185 |
| 31 | Importance of motor vs. non-motor symptoms for health-related quality of life in early Parkinson's disease | Parkinsonism and Related Disorders | 2013 | 184 |
| 32 | Pathological hypersexuality predominantly linked to adjuvant dopamine agonist therapy in Parkinson's disease and multiple system atrophy | Parkinsonism and Related Disorders | 2005 | 179 |
| 33 | The impact of Tai Chi and Qigong mind-body exercises on motor and non-motor function and quality of life in Parkinson's disease: A systematic review and meta-analysis | Parkinsonism and Related Disorders | 2017 | 178 |
| 34 | Health-related quality of life and alternative forms of exercise in Parkinson disease | Parkinsonism and Related Disorders | 2009 | 177 |
| 35 | Levodopa-carbidopa intestinal gel in advanced Parkinson's: Final results of the GLORIA registry | Parkinsonism and Related Disorders | 2017 | 176 |
| 36 | Glutathione depletion and oxidative stress | Parkinsonism and Related Disorders | 2002 | 175 |
| 37 | Dysbiosis of gut microbiota in a selected population of Parkinson's patients | Parkinsonism and Related Disorders | 2019 | 172 |
| 38 | Gut microbiota: Implications in Parkinson's disease | Parkinsonism and Related Disorders | 2017 | 170 |
| 39 | Rehabilitation, exercise therapy and music in patients with Parkinson's disease: a meta-analysis of the effects of music-based movement therapy on walking ability, balance and quality of life | Parkinsonism and Related Disorders | 2012 | 167 |
| 40 | Freezer or non-freezer: Clinical assessment of freezing of gait | Parkinsonism and Related Disorders | 2012 | 167 |
| 41 | Neuropsychiatric symptoms and caregiver's burden in Parkinson's disease | Parkinsonism and Related Disorders | 2015 | 167 |
| 42 | Monogenic Parkinson's disease and parkinsonism: Clinical phenotypes and frequencies of known mutations | Parkinsonism and Related Disorders | 2013 | 165 |
| 43 | In vivo microglia activation in very early dementia with Lewy bodies, comparison with Parkinson's disease | Parkinsonism and Related Disorders | 2013 | 165 |
| 44 | Gait characteristics and falls in Parkinson's disease: A systematic review and meta-analysis | Parkinsonism and Related Disorders | 2018 | 165 |
| 45 | Feasibility and effects of home-based smartphone-delivered automated feedback training for gait in people with Parkinson's disease: A pilot randomized controlled trial | Parkinsonism and Related Disorders | 2016 | 162 |
| 46 | Screening for cognitive deficits in Parkinson's disease with the Parkinson neuropsychometric dementia assessment (PANDA) instrument | Parkinsonism and Related Disorders | 2008 | 161 |
| 47 | Impaired attention predicts falling in Parkinson's disease | Parkinsonism and Related Disorders | 2009 | 161 |
| 48 | The association between motor subtypes and psychopathology in Parkinson's disease | Parkinsonism and Related Disorders | 2009 | 157 |
| 49 | Drooling in Parkinson's disease: A review | Parkinsonism and Related Disorders | 2014 | 156 |
| 50 | Cognitive decline and quality of life in incident Parkinson's disease: The role of attention | Parkinsonism and Related Disorders | 2016 | 155 |